Oxidation (HPOR) and reduction (HPRR) reactions of hydrogen peroxide were studied on platinum single crystalline surfaces. Experimental curves were fitted to a simple model in which the whole process is described by the sum of two independent, mass controlled reactions. It is shown that stepped ...
用于在无膜电解池中高效整体电合成H2O2，对于具有实际意义的成本效益、高效和清洁的电化学生产H2O2来说是一种新突破。Concurrent Oxygen Reduction and Water Oxidation at High Ionic Strength for Scalable Electrosynthesis of Hydrogen Peroxide. Nature Communication, 2023. DOI: 10.1038/s41467-023-41397-1 ...
华南师范大学兰亚乾教授/陈宜法课题组首次制备了一种具有集成的氧化和还原中心的氧化还原分子结COF(TTF-BT-COF),并且可以在没有牺牲剂的情况下成功应用于H2O2的全反应光合作用,其H2O2光合作用的产率可达约276000 µM/h/g。相关工作以“Oxidation-Reduction Molecular Junction Covalent Organic Frameworks for Full React...
总的来说,D-PSFZ是第一个具有高选择性ORR和WOR双功能活性的钙钛矿氧化物催化剂,用于在无膜电解池中高效整体电合成H2O2,对于具有实际意义的成本效益、高效和清洁的电化学生产H2O2来说是一种新突破。 Concurrent Oxygen Reduction and Water Oxidation at High Ionic Strength for Scalable Electrosynthesis of Hydrogen ...
photocatalytic H2O2generation (<150 µM/h, see TableS1) due to high-charge recombination13,17. For an efficient inorganic photocatalyst, it needs to exhibit (i) a suitable band structure for O2reduction and H2O oxidation coupled with a narrow band-gap, (ii) efficient charge separation, ...
然而,目前的工业蒽醌法合成H2O2的过程碳排放量较高。以阳光和可再生电力为能源输入,光催化和电催化在从氧气(O2)和水(H2O)生产绿色H2O2方面具有巨大潜力。 基于此,2023年9月23日,昆士兰大学Xiangkang Zeng研究员在Angewandte Chemie International Edition发表题为《Pairing Oxygen Reduction and Water Oxidation for Du...
总的来说,D-PSFZ是第一个具有高选择性ORR和WOR双功能活性的钙钛矿氧化物催化剂,用于在无膜电解池中高效整体电合成H2O2,对于具有实际意义的成本效益、高效和清洁的电化学生产H2O2来说是一种新突破。 Concurrent Oxygen Reduction and Water Oxidation at High Ionic Strength for Scalable Electrosynthesis of Hydrogen ...
The molar selectivity of H2O2 (fraction of O2 used for producing H2O2) was determined by comparing the disk current for O2 reduction and H2O2 oxidation current at the Pt ring. The H2O2 molar selectivity can be calculated by equation: Molar selectivity of H2O2ð%Þ ¼ nH2O2 nH2O2 þ ...
environment associated with the consumption of fossil fuels, including H 2 evolution, pollutant degradation, and the reduction of CO 2. H 2O 2 has been used as an effective, multipurpose, and green oxidizing agent in many applications including pollutant purification, medical disinfection, and ...
Triphasic Metal Oxide Photocatalyst for Reaction Site-Specific Production of Hydrogen Peroxide from Oxygen Reduction and Water Oxidation. Advanced Energy Materials, 2022. DOI: 10.1002/aenm.202104052